3138

Added

• Per-button haptic patterns — Skin buttons in info.json can now declare a haptic block with style (light/medium/heavy/soft/rigid) and intensity (0.0–1.0). The new DeltaSkinHaptic model is decoded from both ItemRepresentation and DeltaSkinButton. On button press, DeltaSkinView uses the per-button haptic when present, falling back to the default UIImpactFeedbackGenerator. Respects the user's buttonVibration preference